public inbox for gcc-patches@gcc.gnu.org
 help / color / mirror / Atom feed
From: "Marc Poulhiès" <poulhies@adacore.com>
To: gcc-patches@gcc.gnu.org
Cc: Eric Botcazou <ebotcazou@adacore.com>
Subject: [COMMITTED] ada: Add PIE support to backtraces on Linux
Date: Mon, 28 Nov 2022 13:04:51 +0100	[thread overview]
Message-ID: <20221128120451.171477-1-poulhies@adacore.com> (raw)

From: Eric Botcazou <ebotcazou@adacore.com>

gcc/ada/

	* adaint.c [Linux]: Include <link.h>.
	(__gnat_get_executable_load_address) [Linux]: Enable.

Tested on x86_64-pc-linux-gnu, committed on master.

---
 gcc/ada/adaint.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/gcc/ada/adaint.c b/gcc/ada/adaint.c
index 199dbe0e405..d2604ca9b77 100644
--- a/gcc/ada/adaint.c
+++ b/gcc/ada/adaint.c
@@ -3524,6 +3524,8 @@ __gnat_cpu_set (int cpu, size_t count ATTRIBUTE_UNUSED, cpu_set_t *set)
 
 #if defined (__APPLE__)
 #include <mach-o/dyld.h>
+#elif defined (__linux__)
+#include <link.h>
 #endif
 
 const void *
@@ -3532,10 +3534,8 @@ __gnat_get_executable_load_address (void)
 #if defined (__APPLE__)
   return _dyld_get_image_header (0);
 
-#elif 0 && defined (__linux__)
-  /* Currently disabled as it needs at least -ldl.  */
+#elif defined (__linux__)
   struct link_map *map = _r_debug.r_map;
-
   return (const void *)map->l_addr;
 
 #elif defined (_WIN32)
-- 
2.34.1


                 reply	other threads:[~2022-11-28 12:04 UTC|newest]

Thread overview: [no followups] expand[flat|nested]  mbox.gz  Atom feed

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20221128120451.171477-1-poulhies@adacore.com \
    --to=poulhies@adacore.com \
    --cc=ebotcazou@adacore.com \
    --cc=gcc-patches@gcc.gnu.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).